55 Olston PPTs View free & download

Chris Olston Benjamin Reed PowerPoint PPT Presentation

Chris Olston Benjamin Reed - Chris Olston Benjamin Reed. Utkarsh Srivastava. Ravi Kumar Andrew ... 2. Common operations must be coded by hand ... Map1. Reduce1. Map2. Reduce2. Map3. Reduce3 ...

Chris Olston Benjamin Reed. Utkarsh Srivastava. Ravi Kumar Andrew ... 2. Common operations must be coded by hand ... Map1. Reduce1. Map2. Reduce2. Map3. Reduce3 ...

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Chris Olston PowerPoint PPT Presentation

Chris Olston - Sources refresh when value exceeds bound ... value exceeds bounds (bound was too narrow) more precision required (bound was too wide) ...

Sources refresh when value exceeds bound ... value exceeds bounds (bound was too narrow) more precision required (bound was too wide) ...

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VIQING Visual Interactive QueryING PowerPoint PPT Presentation

VIQING Visual Interactive QueryING - VIQING Visual Interactive QueryING Chris Olston UC Berkeley 14th IEEE Symposium on Visual Languages Halifax, Nova Scotia, Canada September 1st - 4th, 1998

VIQING Visual Interactive QueryING Chris Olston UC Berkeley 14th IEEE Symposium on Visual Languages Halifax, Nova Scotia, Canada September 1st - 4th, 1998

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User-Centric Web Crawling PowerPoint PPT Presentation

User-Centric Web Crawling - User-Centric Web Crawling. Sandeep Pandey & Christopher Olston. Carnegie Mellon University ... Web Crawling Optimization Problem ...

User-Centric Web Crawling. Sandeep Pandey & Christopher Olston. Carnegie Mellon University ... Web Crawling Optimization Problem ...

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CS186: Introduction to Database Systems PowerPoint PPT Presentation

CS186: Introduction to Database Systems - Joe Hellerstein and Christopher Olston Fall 2005 Queries for Today What? Why? Who? How? For instance? What: Database Systems Then What: Database Systems Today What ...

Joe Hellerstein and Christopher Olston Fall 2005 Queries for Today What? Why? Who? How? For instance? What: Database Systems Then What: Database Systems Today What ...

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Data-Intensive Information Processing Applications PowerPoint PPT Presentation

Data-Intensive Information Processing Applications - Bigtable, Hive, and Pig Based on the s by Jimmy Lin University of Maryland This work is licensed under a Creative Commons Attribution-Noncommercial-Share Alike 3 ...

Bigtable, Hive, and Pig Based on the s by Jimmy Lin University of Maryland This work is licensed under a Creative Commons Attribution-Noncommercial-Share Alike 3 ...

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BCI 2003 Aristotle University of Thessaloniki 1 PowerPoint PPT Presentation

BCI 2003 Aristotle University of Thessaloniki 1 - BCI 2003 Aristotle University of Thessaloniki 1. November 22, 2003 ... CDNn. updater. Pool of views to transmit. Rel. Queue. Relation update ...

BCI 2003 Aristotle University of Thessaloniki 1. November 22, 2003 ... CDNn. updater. Pool of views to transmit. Rel. Queue. Relation update ...

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CONTROL: - Heap Striding. More generally, on-line permutation. Non ... Heap Stride (On-Line Permutation) Reorder tuples on the fly to get a fair sample. AAABABACDCDAAA...

Heap Striding. More generally, on-line permutation. Non ... Heap Stride (On-Line Permutation) Reorder tuples on the fly to get a fair sample. AAABABACDCDAAA...

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Communication-Efficient Distributed Monitoring of Thresholded Counts PowerPoint PPT Presentation

Communication-Efficient Distributed Monitoring of Thresholded Counts - Tracking the total number of cars on a highway. Thresholded Counts (cont'd) Two key properties ... Comparing Costs Static and Adaptive Cases. Related Work ...

Tracking the total number of cars on a highway. Thresholded Counts (cont'd) Two key properties ... Comparing Costs Static and Adaptive Cases. Related Work ...

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VIQING Visual Interactive QueryING - This visualization shows which political party each state has favored since 1952 ... Now, parties join with states, which join with candidates ...

This visualization shows which political party each state has favored since 1952 ... Now, parties join with states, which join with candidates ...

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Research methods: information retrieval, evaluation and integration PowerPoint PPT Presentation

Research methods: information retrieval, evaluation and integration - Research methods: information retrieval, evaluation and integration March 25th, 2004 Analytical methods - research Activity of Recognising need for info Identifying ...

Research methods: information retrieval, evaluation and integration March 25th, 2004 Analytical methods - research Activity of Recognising need for info Identifying ...

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Energy-Efficient Monitoring of Extreme Values in Sensor Networks PowerPoint PPT Presentation

Energy-Efficient Monitoring of Extreme Values in Sensor Networks - Energy-Efficient Monitoring of Extreme Values in Sensor Networks Adam Silberstein Kamesh Munagala Jun Yang Duke University

Energy-Efficient Monitoring of Extreme Values in Sensor Networks Adam Silberstein Kamesh Munagala Jun Yang Duke University

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Cleaning Uncertain Data with Quality Guarantees PowerPoint PPT Presentation

Cleaning Uncertain Data with Quality Guarantees - Cleaning Uncertain Data with Quality Guarantees. Dr. Reynold Cheng ... Clean uncertain data with limited budget. Attain the highest gain in PWS-quality ...

Cleaning Uncertain Data with Quality Guarantees. Dr. Reynold Cheng ... Clean uncertain data with limited budget. Attain the highest gain in PWS-quality ...

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Alan Gates, Olga Natkovich Yahoo Grid Team PowerPoint PPT Presentation

Alan Gates, Olga Natkovich Yahoo Grid Team - Amy. pagerank. url. 0.2. www.crap.com. 0.7. www.myblog.com. 0.9. www.flickr. ... (Amy, www.cnn.com, 8am) (Amy, www.snails.com, 9am) (Fred, www.snails.com, 11am) ...

Amy. pagerank. url. 0.2. www.crap.com. 0.7. www.myblog.com. 0.9. www.flickr. ... (Amy, www.cnn.com, 8am) (Amy, www.snails.com, 9am) (Fred, www.snails.com, 11am) ...

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Outline - Probabilistic Join Processing. Experimental Results. Conclusions. Reynold Cheng. 12 ... Join over Uncertainty. For uncertain data, a 'join operator' has not ...

Probabilistic Join Processing. Experimental Results. Conclusions. Reynold Cheng. 12 ... Join over Uncertainty. For uncertain data, a 'join operator' has not ...

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Analytical methods for Information Systems Professionals PowerPoint PPT Presentation

Analytical methods for Information Systems Professionals - Analytical methods for Information Systems Professionals Week 1 Lecture 1 INTRODUCTION What questions were they in fact answering? What questions should they have ...

Analytical methods for Information Systems Professionals Week 1 Lecture 1 INTRODUCTION What questions were they in fact answering? What questions should they have ...

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CS347: Map-Reduce PowerPoint PPT Presentation

CS347: Map-Reduce - KDD Infrastructure

KDD Infrastructure

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Cloud Computing PowerPoint PPT Presentation

Cloud Computing - The Computation in Pig Latin. Visits = load /data/visits' as (user, url, time) ... Pig Summarized. Somewhere between a programming language and a DBMS ...

The Computation in Pig Latin. Visits = load /data/visits' as (user, url, time) ... Pig Summarized. Somewhere between a programming language and a DBMS ...

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Effective Change Detection Using Sampling PowerPoint PPT Presentation

Effective Change Detection Using Sampling - Problem: We have only 5-download-cycle data. Solution: Extrapolate the history. Repeat ... Greedy is easy to implement and shows high performance ...

Problem: We have only 5-download-cycle data. Solution: Extrapolate the history. Repeat ... Greedy is easy to implement and shows high performance ...

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ARGUS: A Prototype Stream Anomaly Monitoring System PowerPoint PPT Presentation

ARGUS: A Prototype Stream Anomaly Monitoring System - Stream Anomaly Monitoring System (SAMS) is an important sub-class of stream applications. ... an approach for SAMS's that implements incremental evaluation ...

Stream Anomaly Monitoring System (SAMS) is an important sub-class of stream applications. ... an approach for SAMS's that implements incremental evaluation ...

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SWAT: Hierarchical Stream Summarization in Large Networks PowerPoint PPT Presentation

SWAT: Hierarchical Stream Summarization in Large Networks - Avg(8-15) Avg(4,7) Avg(0,3) Avg(2,3) Avg(0,1) R0. R1. L0. R2. L1. S0. S1. 11. Bulut, Singh ... Avg(0,1) Avg(1,2) Avg(2,3) Avg(1,4) Avg(3,6) Avg(5,8) Avg(3,10) ...

Avg(8-15) Avg(4,7) Avg(0,3) Avg(2,3) Avg(0,1) R0. R1. L0. R2. L1. S0. S1. 11. Bulut, Singh ... Avg(0,1) Avg(1,2) Avg(2,3) Avg(1,4) Avg(3,6) Avg(5,8) Avg(3,10) ...

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Scheduling Shared Scans of Large Data Files PowerPoint PPT Presentation

Scheduling Shared Scans of Large Data Files - Like the web crawl. Many users and queries. Shared scans (Previous Work) Multiple queries use the same scan. Web Crawl. Executor. 1. 2. 3. Scheduling Shared Scans ...

Like the web crawl. Many users and queries. Shared scans (Previous Work) Multiple queries use the same scan. Web Crawl. Executor. 1. 2. 3. Scheduling Shared Scans ...

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Crawl Ordering by Search Impact PowerPoint PPT Presentation

Crawl Ordering by Search Impact - acquire pages that show up in query results (impact) Query result lists: ... US election. Super Bowl. Britney. Yahoo!. Impact of Crawling Page p ...

acquire pages that show up in query results (impact) Query result lists: ... US election. Super Bowl. Britney. Yahoo!. Impact of Crawling Page p ...

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Streaming in a Connected World: Querying and Tracking Distributed Data Streams PowerPoint PPT Presentation

Streaming in a Connected World: Querying and Tracking Distributed Data Streams - Streaming in a Connected World: Querying and Tracking Distributed Data Streams Minos Garofalakis Intel Research Berkeley minos.garofalakis@intel.com

Streaming in a Connected World: Querying and Tracking Distributed Data Streams Minos Garofalakis Intel Research Berkeley minos.garofalakis@intel.com

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Streaming in a Connected World: Querying and Tracking Distributed Data Streams - Streaming in a Connected World: Querying and Tracking Distributed Data Streams Minos Garofalakis Intel Research Berkeley minos.garofalakis@intel.com

Streaming in a Connected World: Querying and Tracking Distributed Data Streams Minos Garofalakis Intel Research Berkeley minos.garofalakis@intel.com

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Topk Monitoring in Wireless Sensor Networks PowerPoint PPT Presentation

Topk Monitoring in Wireless Sensor Networks - TAG (S. Madden et al. , OSDI '02) BS. C. A. B. t1. t1. t1. t2. t2. t2. t3. t3. t3. 35. 38. 37. 43 ... (Multihop, k =10) Monitoring accuracy. Conclusion ...

TAG (S. Madden et al. , OSDI '02) BS. C. A. B. t1. t1. t1. t2. t2. t2. t3. t3. t3. 35. 38. 37. 43 ... (Multihop, k =10) Monitoring accuracy. Conclusion ...

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Query Approximation in DSMS PowerPoint PPT Presentation

Query Approximation in DSMS - For a system with continuous queries, data may not arrive at a consistent rate. ... J. and Arasu, A. and Babcock, B. and Babu, S. and Datar, M. and Manku, G. and ...

For a system with continuous queries, data may not arrive at a consistent rate. ... J. and Arasu, A. and Babcock, B. and Babu, S. and Datar, M. and Manku, G. and ...

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Data Mining in Streams and Graphs PowerPoint PPT Presentation

Data Mining in Streams and Graphs - Christos Faloutsos CMU Outline Problem definition / Motivation Graphs and power laws Streams and forecasting Conclusions Motivation Data mining: ~ find patterns ...

Christos Faloutsos CMU Outline Problem definition / Motivation Graphs and power laws Streams and forecasting Conclusions Motivation Data mining: ~ find patterns ...

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Handling Advertisements of Unknown Quality in Search Advertising PowerPoint PPT Presentation

Handling Advertisements of Unknown Quality in Search Advertising - Select ads to show for each query, in an online fashion. Constraints: ... Bandit: Classical example of online learning under the explore/exploit tradeoff. K arms. ...

Select ads to show for each query, in an online fashion. Constraints: ... Bandit: Classical example of online learning under the explore/exploit tradeoff. K arms. ...

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Probabilistic Aggregation in Distributed Networks PowerPoint PPT Presentation

Probabilistic Aggregation in Distributed Networks - High frequency residual: ARMA modeling. ARMA stands for AutoRegressive and Moving Average model, which is a standard ... ARMA forecasting for transient oscillation ...

High frequency residual: ARMA modeling. ARMA stands for AutoRegressive and Moving Average model, which is a standard ... ARMA forecasting for transient oscillation ...

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Continuous%20Query%20Languages%20for%20DSMS PowerPoint PPT Presentation

Continuous%20Query%20Languages%20for%20DSMS - In PODS, Santa Barbara, CA, May 2001. [25]P. Seshadri. ... Tribeca: A stream database manager for network traffic analysis. In VLDB, 1996. ...

In PODS, Santa Barbara, CA, May 2001. [25]P. Seshadri. ... Tribeca: A stream database manager for network traffic analysis. In VLDB, 1996. ...

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Cloud Computing - I PowerPoint PPT Presentation

Cloud Computing - I - Yahoo Hadoop, Pig Latin. Microsoft Dryad, DryadLINQ ... espn.com. Sports. 0.9. Visits. URL Info. User. URL. Time. Amy. cnn.com. 8:00. Amy. bbc.com. 10:00 ...

Yahoo Hadoop, Pig Latin. Microsoft Dryad, DryadLINQ ... espn.com. Sports. 0.9. Visits. URL Info. User. URL. Time. Amy. cnn.com. 8:00. Amy. bbc.com. 10:00 ...

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data parallelism PowerPoint PPT Presentation

data parallelism - renaissance: map-reduce etc. 1970's. 1980's. now. architectures. shared-memory. shared-disk ... low overhead (high system throughput) these are at odds ...

renaissance: map-reduce etc. 1970's. 1980's. now. architectures. shared-memory. shared-disk ... low overhead (high system throughput) these are at odds ...

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Stream Database Systems' Survey PowerPoint PPT Presentation

Stream Database Systems' Survey - ... tuples between actual tuples of an input stream ... Stream Processing. ... Resource Management, and Approximation in a Data Stream Management System. ...

... tuples between actual tuples of an input stream ... Stream Processing. ... Resource Management, and Approximation in a Data Stream Management System. ...

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ken innetwork sensor inference PowerPoint PPT Presentation

ken innetwork sensor inference - Berkeley. ken. in-network sensor inference. Communication is costly. ... Synopsis diffusion [Gibbons, et al.]: Redundant summarizations in-net ...

Berkeley. ken. in-network sensor inference. Communication is costly. ... Synopsis diffusion [Gibbons, et al.]: Redundant summarizations in-net ...

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Data Stream Query Processing PowerPoint PPT Presentation

Data Stream Query Processing - Solution: Using Gigascope SQL-based DSMS ... Solution: Using Gigascope SQL-based DSMS. Track TCP synchronization and acknowledgement packets ...

Solution: Using Gigascope SQL-based DSMS ... Solution: Using Gigascope SQL-based DSMS. Track TCP synchronization and acknowledgement packets ...

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Putting the Scalability into Database Scalability Services PowerPoint PPT Presentation

Putting the Scalability into Database Scalability Services - Must set TTL=0 for strong consistency! ... If query and update are independent, saves consistency traffic. Query and update templates ...

Must set TTL=0 for strong consistency! ... If query and update are independent, saves consistency traffic. Query and update templates ...

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Whats New on the Web The Evolution of the Web from a Search Engine Perspective PowerPoint PPT Presentation

Whats New on the Web The Evolution of the Web from a Search Engine Perspective - ... metrics: a live study of the world wide web,' F. Douglas, A. Feldmann, and B. Krishnamurthy ... 3.3 TB of web history was saved, as well as an additional 4 ...

... metrics: a live study of the world wide web,' F. Douglas, A. Feldmann, and B. Krishnamurthy ... 3.3 TB of web history was saved, as well as an additional 4 ...

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Distributed SetExpression Cardinality Estimation PowerPoint PPT Presentation

Distributed SetExpression Cardinality Estimation - Examples. Network traffic statistics, call detail records, Web usage logs, sensor data ... Example query: Number of users that access website A but not website B ...

Examples. Network traffic statistics, call detail records, Web usage logs, sensor data ... Example query: Number of users that access website A but not website B ...

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Database Middleware for Sensor Networks - Database Middleware for Sensor Networks

Database Middleware for Sensor Networks

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Distributed Detection of NetworkWide Traffic Anomalies - Distributed Detection of NetworkWide Traffic Anomalies

Distributed Detection of NetworkWide Traffic Anomalies

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CS 347: Distributed Databases and Transaction Processing Distributed Data Processing using MapReduce PowerPoint PPT Presentation

CS 347: Distributed Databases and Transaction Processing Distributed Data Processing using MapReduce - Does not allow for stateful multiple-step processing of records ... Ability to operate over input files without schema information. Debugging environment ...

Does not allow for stateful multiple-step processing of records ... Ability to operate over input files without schema information. Debugging environment ...

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LargeScale Cognition: The Psychology of Informavores Dept' of Psychology, Stanford University 14 Mar - LargeScale Cognition: The Psychology of Informavores Dept' of Psychology, Stanford University 14 Mar

LargeScale Cognition: The Psychology of Informavores Dept' of Psychology, Stanford University 14 Mar

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Incentive Architecture PowerPoint PPT Presentation

Incentive Architecture - Information Scent is a subjective assessment of the user. User's actions towards their goal is ... Users follow a 'scent' for the information that they desire ...

Information Scent is a subjective assessment of the user. User's actions towards their goal is ... Users follow a 'scent' for the information that they desire ...

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D-Trigger: A General Framework for Efficient Online Detection PowerPoint PPT Presentation

D-Trigger: A General Framework for Efficient Online Detection - ... platform to support a wide-range of applications. General ... wide Anomalies ... System implementation and wide-area deployment. Novel network ...

... platform to support a wide-range of applications. General ... wide Anomalies ... System implementation and wide-area deployment. Novel network ...

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Managing Uncertainty in MovingObject and Sensor Databases PowerPoint PPT Presentation

Managing Uncertainty in MovingObject and Sensor Databases - fi(x,y,t): uncertainty pdf of object Oi. pdf of Oi's location (x,y) at time t. fi(x,y,t) ... fi(x,y,t) is uniform: 24. Probabilistic Nearest Neighbor Query (PNNQ) ...

fi(x,y,t): uncertainty pdf of object Oi. pdf of Oi's location (x,y) at time t. fi(x,y,t) ... fi(x,y,t) is uniform: 24. Probabilistic Nearest Neighbor Query (PNNQ) ...

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Modeling and Managing Content Changes in Text Databases PowerPoint PPT Presentation

Modeling and Managing Content Changes in Text Databases - Current practice: construct summary once, never update. Extracted ... Searchable (to construct summaries by querying) Crawlable (to retrieve full contents) ...

Current practice: construct summary once, never update. Extracted ... Searchable (to construct summaries by querying) Crawlable (to retrieve full contents) ...

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Parallel Evaluation of Composite Aggregate Queries - Parallel Evaluation of Composite Aggregate Queries

Parallel Evaluation of Composite Aggregate Queries

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Modeling and Managing Content Changes in Text Databases - Retrieve documents by following links (crawling) Stop when all documents retrieved ... Words in sample (or crawl) Document frequency of each word in sample (or crawl) ...

Retrieve documents by following links (crawling) Stop when all documents retrieved ... Words in sample (or crawl) Document frequency of each word in sample (or crawl) ...

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Managing Uncertainty in ConstantlyEvolving Environments PowerPoint PPT Presentation

Managing Uncertainty in ConstantlyEvolving Environments - ... ckcheng. Department of Computer Science. PhD Oral Defense ... Channel. user. queries. results. Goal: data retrieval in a correct, efficient and scalable manner ...

... ckcheng. Department of Computer Science. PhD Oral Defense ... Channel. user. queries. results. Goal: data retrieval in a correct, efficient and scalable manner ...

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New England Database Society NEDS PowerPoint PPT Presentation

New England Database Society NEDS - DSMS Research Projects. Aurora (Brandeis/Brown/MIT) http://www.cs. ... Most DSMS projects use SQL queries spanning both data streams and DBs will be easier. ...

DSMS Research Projects. Aurora (Brandeis/Brown/MIT) http://www.cs. ... Most DSMS projects use SQL queries spanning both data streams and DBs will be easier. ...

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Managing Distributed Data Streams II PowerPoint PPT Presentation

Managing Distributed Data Streams II - 10 copies gets 30% error, 100 copies 10% error. Can pack FM into eg. 32 bits. ... Top 100. Images from http://www.billboard.com. 27. Top-k Scenario ...

10 copies gets 30% error, 100 copies 10% error. Can pack FM into eg. 32 bits. ... Top 100. Images from http://www.billboard.com. 27. Top-k Scenario ...

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Continuous Query Languages for DSMS PowerPoint PPT Presentation

Continuous Query Languages for DSMS - ... the PL accesses the tuples returned by SQL using a Get Next of Cursor statement. ... But cursors is a pull-based' mechanism and cannot be used on data streams: the ...

... the PL accesses the tuples returned by SQL using a Get Next of Cursor statement. ... But cursors is a pull-based' mechanism and cannot be used on data streams: the ...

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DataSplash - But which states voted for which presidential candidates in which elections? ... Each presidential candidate has an associated portal (sub-window) ...

But which states voted for which presidential candidates in which elections? ... Each presidential candidate has an associated portal (sub-window) ...

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DataSplash - Browsing a Visualization. Main Canvas. Layer Manager. Navigation Mode Buttons. Navigation. Interactively browse large data sets. ZOOM. Current Zoom. PAN ...

Browsing a Visualization. Main Canvas. Layer Manager. Navigation Mode Buttons. Navigation. Interactively browse large data sets. ZOOM. Current Zoom. PAN ...

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Olston PowerPoint PPT Presentations